package com.atguigu.springcloud.controller;


import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

@RestController

@Slf4j
public class PaymentController {
    @Resource
    private PaymentService paymentService;

    @Resource
    private DiscoveryClient discoveryClient;

    @Value("${server.port}")
    private String serverPort;


    @PostMapping("/payment/create")
    public CommonResult<Payment> create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("插入成功了" + result);
        if (result > 0) {
            return new CommonResult(200, "插入成功了" + serverPort, result);
        } else {
            return new CommonResult(444, "插入失败了", null);
        }
    }

    @GetMapping("/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id) {
        Payment payment = paymentService.getPaymkentById(id);
        log.info("查询成功了，结果：" + payment);
        if (payment != null) {
            return new CommonResult(200, "查询成功" + serverPort, payment);
        } else {
            return new CommonResult(444, "没有这项记录", null);
        }
    }

    @GetMapping("/payment/discovery")
    public Object discovery() {
        List<String> services = discoveryClient.getServices();
        int i = 0;
        for (String service : services) {
            log.info("" + (++i) + "element=" + service);
        }

        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PROVIDER-SERVICE");
        int j = 0;
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId() + "\t" + instance.getHost() + "\t" + instance.getPort() + "\t" + instance.getUri());
        }

        return this.discoveryClient;
    }

    @GetMapping("/payment/myselftest")
    public CommonResult<StringBuilder> myselfTest() {
        StringBuilder builder = new StringBuilder();
        List<String> services = discoveryClient.getServices();
        for (String service : services) {
            builder.append(service);
            builder.append("\n");
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PROVIDER-SERVICE");
        for (ServiceInstance instance : instances) {
            builder.append(instance);
            builder.append("\n");
        }
        log.info(builder.toString());
        return new CommonResult<>(200, "信息查询成功", builder);
    }

    /**
     * 自定义负载均衡策略的测试接口
     */
    @GetMapping("/payment/lb")
    public String getServerPort() {

        return serverPort;
    }

    @GetMapping("/payment/timeout")
    public String paymentFeignTimeout() {
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e){
            e.printStackTrace();
        }
        return serverPort;
    }
}
